MEEA Members Member Since AES Indiana 2003 American Council for an Energy-Efficient Economy (ACEEE) 2000 Argonne National Laboratory 2011 CenterPoint Energy 2004 Combined Heat and Power Alliance 2014 Duke Energy 2006 E Source 2010 Edison Foundation Institute for Electric Innovation 2009 Energy Education Council 2007 Geothermal Exchange Organization (GEO) 2023 GTI Energy 2017 Indiana Office of Energy Development 2014 Mid-West Energy Research Consortium (M-WERC) 2015 PACENation 2018 Polyisocyanurate Insulation Manufacturers Association 2020 Resource Innovation Institute 2019 Smart Energy Consumer Collaborative 2017 The DesignLights Consortium 2018 U.S. Environmental Protection Agency, Region 5 2024